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Diffstat (limited to 'cpukit/posix/src/sigsuspend.c')
-rw-r--r-- | cpukit/posix/src/sigsuspend.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/cpukit/posix/src/sigsuspend.c b/cpukit/posix/src/sigsuspend.c new file mode 100644 index 0000000000..beed3af5db --- /dev/null +++ b/cpukit/posix/src/sigsuspend.c @@ -0,0 +1,43 @@ +/* + * 3.3.7 Wait for a Signal, P1003.1b-1993, p. 75 + * + * COPYRIGHT (c) 1989-1998. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + + +#include <signal.h> +#include <errno.h> + +#include <rtems/system.h> +#include <rtems/posix/pthread.h> +#include <rtems/posix/psignal.h> + +int sigsuspend( + const sigset_t *sigmask +) +{ + sigset_t saved_signals_blocked; + sigset_t all_signals; + int status; + POSIX_API_Control *api; + + api = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ]; + + status = sigprocmask( SIG_BLOCK, sigmask, &saved_signals_blocked ); + + (void) sigfillset( &all_signals ); + + status = sigtimedwait( &all_signals, NULL, NULL ); + + (void) sigprocmask( SIG_SETMASK, &saved_signals_blocked, NULL ); + + return status; +} |